code: def default_creds_available() -> bool:
      try:
          authenticate(AzureDefaultCreds())
      except BackendAuthError:
          return False
      return True
  
file_path: dstack/src/dstack/_internal/core/backends/azure/auth.py
imports: from typing import Tuple, Union
  from azure.core.exceptions import ClientAuthenticationError
  from azure.identity import ClientSecretCredential, DefaultAzureCredential
  from azure.mgmt.subscription import SubscriptionClient
  from dstack._internal.core.errors import BackendAuthError
  from dstack._internal.core.models.backends.azure import AnyAzureCreds, AzureClientCreds, AzureDefaultCreds
label_desc: Use image node_id 4 for calling a global function with example usage: default_creds_available() and returns: True, False